@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:atm_network_	skos:broader	isac:asynchronous_network_ .
isac:_device_	skos:broader	isac:asynchronous_network_ .
isac:_network_	skos:broader	isac:asynchronous_network_ .
isac:_ethernet_	skos:broader	isac:asynchronous_network_ .